Add expectations for new failures on content shell linux
Add expectations for new failures on content shell linux

BUG=242457
TBR=mkwst@chromium.org

Review URL: https://codereview.chromium.org/15695005

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@150877 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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